Be able to change select() function used by main loop.

Patch by Kenneth Christiansen, used to integrate with GLib and other
main loops.

git-svn-id: http://svn.enlightenment.org/svn/e/trunk/ecore@40110 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/src/lib/ecore/Ecore.h b/src/lib/ecore/Ecore.h
index 0a1969d..84cd6c5 100644 (file)
--- a/src/lib/ecore/Ecore.h
+++ b/src/lib/ecore/Ecore.h
@@ -278,6 +278,10 @@ extern "C" {
    EAPI void              *ecore_idle_exiter_del(Ecore_Idle_Exiter *idle_exiter);
 
    EAPI void              ecore_main_loop_iterate(void);
+
+   EAPI void              ecore_main_loop_select_func_set(int (*func)(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout));
+   EAPI void             *ecore_main_loop_select_func_get(void);
+
    EAPI void              ecore_main_loop_begin(void);
    EAPI void              ecore_main_loop_quit(void);
    EAPI Ecore_Fd_Handler *ecore_main_fd_handler_add(int fd, Ecore_Fd_Handler_Flags flags, int (*func) (void *data, Ecore_Fd_Handler *fd_handler), const void *data, int (*buf_func) (void *buf_data, Ecore_Fd_Handler *fd_handler), const void *buf_data);

diff --git a/src/lib/ecore/ecore_main.c b/src/lib/ecore/ecore_main.c
index 02951f6..c705928 100644 (file)
--- a/src/lib/ecore/ecore_main.c
+++ b/src/lib/ecore/ecore_main.c
@@ -47,6 +47,7 @@ static int               in_main_loop = 0;
 static int               do_quit = 0;
 static Ecore_Fd_Handler *fd_handlers = NULL;
 static int               fd_handlers_delete_me = 0;
+static int (*main_loop_select)(int , fd_set *, fd_set *, fd_set *, struct timeval *) = select;
 
 static double            t1 = 0.0;
 static double            t2 = 0.0;
@@ -110,6 +111,37 @@ ecore_main_loop_quit(void)
 }
 
 /**
+ * Sets the function to use when monitoring multiple file descriptors,
+ * and waiting until one of more of the file descriptors before ready
+ * for some class of I/O operation.
+ *
+ * This function will be used instead of the system call select and
+ * could possible be used to integrate the Ecore event loop with an
+ * external event loop.
+ *
+ * @warning you don't know how to use, don't even try to use it.
+ *
+ * @ingroup Ecore_Main_Loop_Group
+ */
+EAPI void
+ecore_main_loop_select_func_set(int (*func)(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout))
+{
+   main_loop_select = func;
+}
+
+/**
+ * Gets the select function set by ecore_select_func_set(),
+ * or the native select function if none was set.
+ *
+ * @ingroup Ecore_Main_Loop_Group
+ */
+EAPI void *
+ecore_main_loop_select_func_get(void)
+{
+   return main_loop_select;
+}
+
+/**
  * @defgroup Ecore_FD_Handler_Group File Event Handling Functions
  *
  * Functions that deal with file descriptor handlers.
@@ -361,7 +393,7 @@ _ecore_main_select(double timeout)
      }
    if (_ecore_signal_count_get()) return -1;
 
-   ret = select(max_fd + 1, &rfds, &wfds, &exfds, t);
+   ret = main_loop_select(max_fd + 1, &rfds, &wfds, &exfds, t);
    _ecore_loop_time = ecore_time_get();
    if (ret < 0)
      {